Home / 11,266.43-16,877.77-5,427.14

Finding the Fourth Proportional to 11,266.43, 16,877.77 and 5,427.14

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Solution

The fourth proportional to 11,266.43, 16,877.77 and 5,427.14 is: 8,130.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,266.43 : 16,877.77 = 5,427.14 : x
  2. Step 2: Convert to fraction form
    11,266.43/16,877.77 = 5,427.14/x
  3. Step 3: Cross multiply
    11,266.43x = 16,877.77 × 5,427.14
  4. Step 4: Simplify right side
    11,266.43x = 91,598,020.68
  5. Step 5: Solve for x
    x = 91,598,020.68/11,266.43
  6. Step 6: Final answer
    x = 8,130.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.